网络

The analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.

AWG光信号传输特性与相关参数的分析，为进一步优化设计AWG及提高其性能提供了理论依据，而优化设计计算数值方法解决了AWG优化设计计算的复杂问题，为进一步建立AWG的计算机设计系统提供了基础；AWG光信号处理的特性分析，提出了AWG应用的新领域，为光信号的傅立叶变换、串并传输、循环移位、矩阵变换、微分处理等提供了一条途径；波长传输矩阵变换关系的建立，不仅得到了确定多路AWG每路信号从输入端口到输出端口的准确输出位置的方法，而且在分析应用AWG实现复杂的光通信网络路由的连接、特别在设计分插复用器和交叉连接器等网络节点时有重要的作用，能有效而准确地确定波长的路由关系，为实现节点波长传输路由的监控和管理提供有效手段；基于AWG的OXC结构和波长路由的确定为实现OXC技术、特别是多路多波长的OXC和光网络的智能节点技术提供了有效的方法；控制平面的特征、路由器、流量工程、程序及改进的波长路由算法的研究实现了基于GMPLS的OXC光传送网络的控制平面，为建立自动交换光网路提供了一定的基础；时频分析可以更直观和更清晰地描述脉冲信号在单模光纤中传输色散和能量的变化，为色散积累和色散补偿提供有效的分析参数。

The data capture mainly gathers the data from the network. Protocol analysis can analyse every segment of the data packet according to protocol standard. Data recover can recover all the data of the application layer of the TCP connection. IP spoofing can construct all kinds of packets and realize the network attack. Real-time interruption can interrupt the TCP connection of Both sides of communication as the third party. Fire wall can realize network access control. Then the system can protect the network information safety from many aspects.

数据捕获主要完成从网络采集数据的功能；分析还原包括协议分析和数据还原两部分内容，协议分析可以对捕获到的数据包按照网络协议规范分别进行各协议字段分析，数据还原功能可以将每条TCP连接中传输的所有应用数据进行重新组合，还原出原来数据的内容；IP欺骗指构造各种功能的数据包，实现网络攻击；实时阻断指第三方实时阻断通信双方的TCP连接，禁止他们进行数据通信；防火墙主要实现网络访问控制，保护内部子网的功能。

A method of constructing a repair path around a non-available component in a data communications network having, as components, nodes having a network address and links there between comprises the step, performed at a participating node, of receiving from a notifying node in the network, a notification identifying the notifying node and components through which the notifying node can be reached.

公开了一种在数据通信网络中构造绕过不可用组件的修复路径的方法，该数据通信网络具有作为组件的具有网络地址的节点和其间的链路，该方法包括以下步骤：在参与节点处执行从网络中的通知节点接收标识通知节点和通过其可以到达通知节点的组件的通知。

Network service states were regarded as basic situational elements, network offense and defense behaviors were both taken into account, gambling model for network security situation was constructed, in which the model parameters such as state space, strategy set and payoff function were definitely formulated. By simulation experiment, the Nash equilibriums was computed when attackers and defenders got a balance between payoffs, then quantitative depict of network security situation was accomplished.

该方法将网络服务状态作为基本态势要素，综合考虑网络系统中存在的攻防行为，建立了网络安全态势博弈模型，并对状态空间、策略集和效用函数等模型参数给出了明确定义，经仿真实验找到该模型的Nash均衡解，在均衡局势下攻防双方达到收益平衡，完成了对网络安全态势的定量刻画。

The research is comprised mainly of four aspects: bounds of network reliability; performability of network reliability; lumpability problems of network reliability models; fuzzy analysis methods of network reliability.

研究内容主要包括四个部分：网络可靠性界的计算、网络综合可靠性分析方法的研究、马尔可夫型可修网络系统中聚合问题的研究以及网络的模糊可靠性分析方法的研究。

In this article, the performance test methodology and the key problems in High-Speed performance test are investigated.

网络实现，是网络性能测试的对象，包括网络设备和网络系统。

With the permeation of Internet,the importance of Internet management and controlling becomes more prominent, It is related to the further development and permeation even the existence of Internet.

摘要随着网络的逐步普及，网络的管理和控制的重要性已经越来越突出，它关系着网络的进一步发展和普及，甚至关系着网络的生存。

Yesterday, country's biggest independence tripartite pays platform to pay treasure network technology limited company and network of giant of business of network game operation reach strategic collaboration in Shanghai, of aggrandizement giant network online pay a system.

昨日，国内最大的独立第三方支付平台支付宝网络技术有限公司和网络游戏运营商巨人网络在上海达成战略合作，强化巨人网络的在线支付系统。

The voltage and the sensitivity of voltage to system operation parameters are calculated by Newton power flow approach; the various higher order derivatives of voltage and voltage sensitivity to line openbreak parameter can be obtained by using the convergent correction equation of power flow and the equation of calculating sensitivity for the N power system. Finally, the voltage and sensitivity of N-1 power system can he calculated by correcting the voltage and sensitivity of N power system by Taylor series expansion.

通过牛顿潮流计算出N网络的各节点电压及其对系统运行参数的灵敏度；利用已收敛的潮流修正方程式和N网络灵敏度计算方程式分别对线路开断参数多阶求导，从而计算出电压和灵敏度对此线路开断参数的多阶导数值；根据泰勒级数展开式修正N网络的电压和灵敏度值，得到N-1网络的电压和灵敏度值。

At the same time, it wholly summarizes existed issue in the development of Internet banks, especially in networks safety and networks risks. At the end, with analyzing networks safety and risks, this paper suggests taking effective precautious measures and developing Internet banks.

本文着重介绍了网络银行的竞争优势和网络银行发展中存在的法规不完善、电子支付业务运作程序不规范、日益猖撅的网络金融犯罪以及针对普遍存在的各种网络风险的技术防范措施(SET、SSL、CA、防火墙技术、加密技术等)。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。